Experience is gained from trial and error. It’s easy enough to overload a circuit and then remove at least one component from the circuit to regain stability.
I don’t need a text book explanation for a real audible experience just setup a system with an insufficient power supply and sit back and listen.
I know from my experience and corrected that issue with undeniable results. Your welcome to fly in from where ever you live and put my experience to your test otherwise we might as well compare apples to oranges!